Jay shree krishna Daxina means it is depends on your capacity but some people misusing it by puting very less amount althoug it includes valuable time of priest and transportation etc. so for satyanarayan katha it suppose to be $100 (AUD) and for hawan $150( AUD) but If you have financial crisis and problems than please do not hasitate to put as per your capacity. for house warming and shreemant it suppose to be $ 150.